diff --git a/tempest/common/ssh.py b/tempest/common/ssh.py
index 151060f..be6fe27 100644
--- a/tempest/common/ssh.py
+++ b/tempest/common/ssh.py
@@ -106,6 +106,7 @@
         ssh = self._get_ssh_connection()
         transport = ssh.get_transport()
         channel = transport.open_session()
+        channel.fileno()  # Register event pipe
         channel.exec_command(cmd)
         channel.shutdown_write()
         out_data = []
diff --git a/tempest/tests/boto/test_ec2_instance_run.py b/tempest/tests/boto/test_ec2_instance_run.py
index 4ad37b6..3293dea 100644
--- a/tempest/tests/boto/test_ec2_instance_run.py
+++ b/tempest/tests/boto/test_ec2_instance_run.py
@@ -142,7 +142,6 @@
     #NOTE(afazekas): doctored test case,
     # with normal validation it would fail
     @attr("slow", type='smoke')
-    @testtools.skip("Skipped until the Bug #1117555 is resolved")
     def test_integration_1(self):
         # EC2 1. integration test (not strict)
         image_ami = self.ec2_client.get_image(self.images["ami"]["image_id"])